Hwai Sian Tsai

Person

Hong Kong, HK

People

Patents Grantslast 30 patents

Information Patent Grant
Terminal hardware configuration system
- Patent number 12,210,596
- Issue date Jan 28, 2025
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method to prevent unauthorized usage of card readers and...
- Patent number 12,169,841
- Issue date Dec 17, 2024
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and methods to prevent unauthorized usage of card readers
- Patent number 12,125,041
- Issue date Oct 22, 2024
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method to protect privacy of Personal-Identification-Num...
- Patent number 12,056,701
- Issue date Aug 6, 2024
- Stripe, Inc.
- Chi Wah Lo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for indicating entry of personal identification n...
- Patent number 12,039,519
- Issue date Jul 16, 2024
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for a near field communications reader device
- Patent number 12,008,428
- Issue date Jun 11, 2024
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for mounting a magnetic card reader head onto a c...
- Patent number RE49888
- Issue date Mar 26, 2024
- Stripe, Inc.
- Chi Wah Lo
Information Patent Grant
Terminal hardware configuration system
- Patent number 11,809,528
- Issue date Nov 7, 2023
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power management circuitry in peripheral accessories of audio devices
- Patent number 11,804,711
- Issue date Oct 31, 2023
- Stripe, Inc.
- Wing Cheong Chan
- G07 - CHECKING-DEVICES
Information Patent Grant
System and method to protect privacy of personal-identification-num...
- Patent number 11,756,033
- Issue date Sep 12, 2023
- Stripe, Inc.
- Chi Wah Lo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for a secure display module
- Patent number RE49614
- Issue date Aug 15, 2023
- STRIPE, INC.
- Chi Wah Lo
Information Patent Grant
System and method for a near field communications reader device
- Patent number 11,714,974
- Issue date Aug 1, 2023
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and methods to prevent unauthorized usage of card readers
- Patent number 11,710,134
- Issue date Jul 25, 2023
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for indicating entry of personal identification n...
- Patent number 11,663,584
- Issue date May 30, 2023
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for a keypad on a touch screen device
- Patent number 11,630,575
- Issue date Apr 18, 2023
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and methods to prevent unauthorized usage of card readers
- Patent number 11,321,719
- Issue date May 3, 2022
- BBPOS LIMITED
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method to protect privacy of personal-identification-num...
- Patent number 11,288,670
- Issue date Mar 29, 2022
- BBPOS LIMITED
- Chi Wah Lo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for a near field communications reader device
- Patent number 11,256,885
- Issue date Feb 22, 2022
- BBPOS LIMITED
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power management circuitry in peripheral accessories of audio devices
- Patent number 11,251,611
- Issue date Feb 15, 2022
- BBPOS LIMITED
- Wing Cheong Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method for a secure display module
- Patent number RE48707
- Issue date Aug 24, 2021
- BBPOS LIMITED
- Chi Wah Lo
Information Patent Grant
System and method for indicating entry of personal identification n...
- Patent number 11,062,299
- Issue date Jul 13, 2021
- BBPOS LIMITED
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for a keypad on a touch screen device
- Patent number 10,936,189
- Issue date Mar 2, 2021
- BBPOS Limited
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for adjusting variable(s) related to near field c...
- Patent number 10,841,773
- Issue date Nov 17, 2020
- BBPOS LIMITED
- Hwai Sian Tsai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method to protect privacy of personal-identification-num...
- Patent number 10,832,243
- Issue date Nov 10, 2020
- BBPOS LIMITED
- Chi Wah Lo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and methods to prevent unauthorized usage of card readers
- Patent number 10,832,252
- Issue date Nov 10, 2020
- BBPOS Limited
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for a near field communications reader device
- Patent number 10,832,019
- Issue date Nov 10, 2020
- BBPOS LIMITED
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic stripe reader with card swipe information feedback
- Patent number RE48167
- Issue date Aug 18, 2020
- BBPOS LIMITED
- Chi Wah Lo
Information Patent Grant
Power management circuitry in peripheral accessories of audio devices
- Patent number 10,686,313
- Issue date Jun 16, 2020
- BBPOS LIMTED
- Wing Cheong Chan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
System and method to protect privacy of personal-identification-num...
- Patent number 10,521,793
- Issue date Dec 31, 2019
- BBPOS LIMITED
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for adjusting variable(s) related to near field c...
- Patent number 10,499,225
- Issue date Dec 3, 2019
- BBPOS LIMITED
- Hwai Sian Tsai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS
- Publication number 20250037136
- Publication date Jan 30, 2025
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...
- Publication number 20240346500
- Publication date Oct 17, 2024
- Stripe, Inc.
- Chi Wah Lo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR PERSONAL IDENTIFICATION NUMBER ENTRY IN A COM...
- Publication number 20240338698
- Publication date Oct 10, 2024
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR INDICATING ENTRY OF PERSONAL IDENTIFICATION N...
- Publication number 20240330897
- Publication date Oct 3, 2024
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TERMINAL HARDWARE CONFIGURATION SYSTEM
- Publication number 20240028672
- Publication date Jan 25, 2024
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...
- Publication number 20230351385
- Publication date Nov 2, 2023
- Stripe, Inc.
- Chi Wah Lo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR A NEAR FIELD COMMUNICATIONS READER DEVICE
- Publication number 20230297789
- Publication date Sep 21, 2023
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR INDICATING ENTRY OF PERSONAL IDENTIFICATION N...
- Publication number 20230281600
- Publication date Sep 7, 2023
- Stripe, Inc.
- Hwai Sian TSAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS
- Publication number 20230274284
- Publication date Aug 31, 2023
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS PAYMENT
- Publication number 20230140038
- Publication date May 4, 2023
- Stripe, Inc.
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS
- Publication number 20220391903
- Publication date Dec 8, 2022
- BBPOS Limited
- Hwai Sian TSAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR A NEAR FIELD COMMUNICATIONS READER DEVICE
- Publication number 20220253614
- Publication date Aug 11, 2022
- BBPOS Limited
- Hwai Sian TSAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...
- Publication number 20220188826
- Publication date Jun 16, 2022
- BBPOS Limited
- Chi Wah Lo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER MANAGEMENT CIRCUITRY IN PERIPHERAL ACCESSORIES OF AUDIO DEVICES
- Publication number 20220131371
- Publication date Apr 28, 2022
- BBPOS LIMITED
- Wing Cheong Chan
- G07 - CHECKING-DEVICES
Information Patent Application
SYSTEM AND METHOD FOR INDICATING ENTRY OF PERSONAL IDENTIFICATION N...
- Publication number 20210334784
- Publication date Oct 28, 2021
- BBPOS Limited
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD TO PREVENT UNAUTHORIZED USAGE OF CARD READERS AND...
- Publication number 20210295337
- Publication date Sep 23, 2021
- BBPOS Limited
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TERMINAL HARDWARE CONFIGURATION SYSTEM
- Publication number 20210173902
- Publication date Jun 10, 2021
- BBPOS Limited
- Hwai Sian TSAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR A KEYPAD ON A TOUCH SCREEN DEVICE
- Publication number 20210165567
- Publication date Jun 3, 2021
- BBPOS Limited
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS
- Publication number 20210081944
- Publication date Mar 18, 2021
- BBPOS Limited
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...
- Publication number 20210049605
- Publication date Feb 18, 2021
- BBPOS Limited
- Chi Wah LO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR A NEAR FIELD COMMUNICATIONS READER DEVICE
- Publication number 20210049333
- Publication date Feb 18, 2021
- BBPOS Limited
- Hwai Sian TSAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER MANAGEMENT CIRCUITRY IN PERIPHERAL ACCESSORIES OF AUDIO DEVICES
- Publication number 20200303921
- Publication date Sep 24, 2020
- BBPOS LIMITED
- WING CHEONG CHAN
- G07 - CHECKING-DEVICES
Information Patent Application
SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...
- Publication number 20200126081
- Publication date Apr 23, 2020
- BBPOS Limited
- Chi Wah LO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR ADJUSTING VARIABLE(S) RELATED TO NEAR FIELD C...
- Publication number 20200059773
- Publication date Feb 20, 2020
- BBPOS Limited
- HWAI SIAN TSAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEM AND METHOD FOR INDICATING ENTRY OF PERSONAL IDENTIFICATION N...
- Publication number 20190370785
- Publication date Dec 5, 2019
- BBPOS Limited
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR A NEAR FIELD COMMUNICATIONS READER DEVICE
- Publication number 20190325176
- Publication date Oct 24, 2019
- BBPOS LIMITED
- Hwai Sian TSAI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS
- Publication number 20190251568
- Publication date Aug 15, 2019
- BBPOS LMITED
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
POWER MANAGEMENT CIRCUITRY IN PERIPHERAL ACCESSORIES OF AUDIO DEVICES
- Publication number 20190190262
- Publication date Jun 20, 2019
- BBPOS LIMITED
- WING CHEONG CHAN
- G07 - CHECKING-DEVICES
Information Patent Application
SYSTEM AND METHOD FOR A KEYPAD ON A TOUCH SCREEN DEVICE
- Publication number 20190121538
- Publication date Apr 25, 2019
- BBPOS LIMITED
- Hwai Sian Tsai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MODULAR ELECTRONIC FUNDS TRANSFER POINT OF SALE DEVICE
- Publication number 20190034900
- Publication date Jan 31, 2019
- BBPOS LIMITED
- Chi Wah Lo
- G06 - COMPUTING CALCULATING COUNTING

Hwai Sian Tsai

Person

Patents Grantslast 30 patents

Terminal hardware configuration system

System and method to prevent unauthorized usage of card readers and...

System and methods to prevent unauthorized usage of card readers

System and method to protect privacy of Personal-Identification-Num...

System and method for indicating entry of personal identification n...

System and method for a near field communications reader device

System and method for mounting a magnetic card reader head onto a c...

Terminal hardware configuration system

Power management circuitry in peripheral accessories of audio devices

System and method to protect privacy of personal-identification-num...

System and method for a secure display module

System and method for a near field communications reader device

System and methods to prevent unauthorized usage of card readers

System and method for indicating entry of personal identification n...

System and method for a keypad on a touch screen device

System and methods to prevent unauthorized usage of card readers

System and method to protect privacy of personal-identification-num...

System and method for a near field communications reader device

Power management circuitry in peripheral accessories of audio devices

System and method for a secure display module

System and method for indicating entry of personal identification n...

System and method for a keypad on a touch screen device

System and method for adjusting variable(s) related to near field c...

System and method to protect privacy of personal-identification-num...

System and methods to prevent unauthorized usage of card readers

System and method for a near field communications reader device

Magnetic stripe reader with card swipe information feedback

Power management circuitry in peripheral accessories of audio devices

System and method to protect privacy of personal-identification-num...

System and method for adjusting variable(s) related to near field c...

Patents Applicationslast 30 patents

SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS

SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...

SYSTEM AND METHOD FOR PERSONAL IDENTIFICATION NUMBER ENTRY IN A COM...

SYSTEM AND METHOD FOR INDICATING ENTRY OF PERSONAL IDENTIFICATION N...

TERMINAL HARDWARE CONFIGURATION SYSTEM

SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...

SYSTEM AND METHOD FOR A NEAR FIELD COMMUNICATIONS READER DEVICE

SYSTEM AND METHOD FOR INDICATING ENTRY OF PERSONAL IDENTIFICATION N...

SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS

SYSTEM AND METHOD FOR NEAR FIELD COMMUNICATIONS PAYMENT

SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS

SYSTEM AND METHOD FOR A NEAR FIELD COMMUNICATIONS READER DEVICE

SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...

POWER MANAGEMENT CIRCUITRY IN PERIPHERAL ACCESSORIES OF AUDIO DEVICES

SYSTEM AND METHOD FOR INDICATING ENTRY OF PERSONAL IDENTIFICATION N...

SYSTEM AND METHOD TO PREVENT UNAUTHORIZED USAGE OF CARD READERS AND...

TERMINAL HARDWARE CONFIGURATION SYSTEM

SYSTEM AND METHOD FOR A KEYPAD ON A TOUCH SCREEN DEVICE

SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS

SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...

SYSTEM AND METHOD FOR A NEAR FIELD COMMUNICATIONS READER DEVICE

POWER MANAGEMENT CIRCUITRY IN PERIPHERAL ACCESSORIES OF AUDIO DEVICES

SYSTEM AND METHOD TO PROTECT PRIVACY OF PERSONAL-IDENTIFICATION-NUM...

SYSTEM AND METHOD FOR ADJUSTING VARIABLE(S) RELATED TO NEAR FIELD C...

SYSTEM AND METHOD FOR INDICATING ENTRY OF PERSONAL IDENTIFICATION N...

SYSTEM AND METHOD FOR A NEAR FIELD COMMUNICATIONS READER DEVICE

SYSTEM AND METHODS TO PREVENT UNAUTHORIZED USAGE OF CARD READERS

POWER MANAGEMENT CIRCUITRY IN PERIPHERAL ACCESSORIES OF AUDIO DEVICES

SYSTEM AND METHOD FOR A KEYPAD ON A TOUCH SCREEN DEVICE

MODULAR ELECTRONIC FUNDS TRANSFER POINT OF SALE DEVICE